Neonatal Neurology - An Overview

Introduction

Neurological development in newborn babies is a highly sophisticated and complex process. Any disruption or irregularity in neurological development can precipitate alarming disabilities or ailments in the baby. Neurological development specifically denotes the development of the brain and associated nerve structures.

In order to assess and safeguard the neurological progression in newborn babies, various neonatal neurology programs are being launched. This specific subspecialty offers promising therapeutic and preventative strategies for dealing with potentially alarming neurological conditions, typically in recently born babies. It also extends the therapeutic role in babies in the womb susceptible to neurological impairments.

What Is Neonatal Neurology?

As the name suggests, neonatal neurology is a specific class that comes under pediatric neurology. Pediatric neurology is concerned with detecting and treating various neurological health conditions affecting children below the stage of adulthood. Neonatal neurology extends the focus on the baby's neurological development from intrauterine (within the mother’s womb) to the first few years following birth. Though it is named neonatal, it also deals with the neurological assessment and evaluation during the final or terminal weeks of pregnancy.

Neonatal neurology concerns various ailments or disabilities in a recently born baby due to defective or disrupted neurological functions. The invention of novel monitoring systems for assessing neurological developmental progression in the fetus (baby in the womb) has enhanced the neurological care that can be offered to a baby even before birth.

What Is the Significance of Neonatal Neurology?

Neurological complications or risks can arise from various underlying causes. Certain neurological conditions or ailments run through families, so the baby gets exposed to such defects through genes. In certain other babies, complications encountered during late pregnancy or childbirth are a driving force for developing disruptions in the baby’s neurological functions. Babies detected with alarming brain trauma are another group of neonates vulnerable to developing neurological complications. Prematurity is another reason that can potentially impair the neurodevelopment of the baby.

Neonatal neurology aids in identifying the neurological defects in newly born babies. The role of neonatal neurology is not restricted to detecting neurological deficits; it also guides dealing with such neurological issues. Neonatal neurologists carry out early intervention of neurological issues in neonates, as they are trained to tackle neonatal neurological issues. It offers a thorough assessment of the baby’s neurodevelopment.

What Are the Manifestations Elicited in Neonatal Neurological Disorders?

Neonatal neurological ailments manifest differently according to the associated neurological deficit's level, extent, and intensity. However, they routinely encountered manifestations of disorder that are associated with neurological disruptions including the following:

• Seizures (aberrant electrical functioning of the brain).

• Troubled feeding.

• Abnormal reflexes.

• Collapsed muscle tone.

• Delayed development.

• Staring unresponsively.

• Abnormal deviation in baby’s body temperature.

What Are the Therapeutic Applications of Neonatal Neurology?

Neonatal neurology is concerned with assessing, identifying, and therapeutic interventions of diverse neurological issues in neonates.

• Neurological Assessment: Neonatal neurology deals with the general evaluation and assessment of neurological functions in newborn babies. It includes assessing the baby's motor functions, crying, reflexes, feeding, tone, orientation, etc.

• Cerebral Functional Assessment in Newborns: It is concerned with evaluating and gauging the brain functions, specifically the cerebral functions. In addition, it also assesses the learning, cognitive, and reasoning skills that are often hampered in neurological conditions.

• Neonatal Seizure: Neonatal seizure is a widely reported neurological condition in newborn babies and is considered an emergency that mandates immediate medical attention. The neurons in a neonatal brain are immature and responsible for the enhanced risk of seizure development. However, various causes can trigger the development of neonatal seizures.

• Perinatal Stroke: It is a medical condition that can be manifested either in the intrauterine stage or immediately following birth. Stroke develops as a consequence of hindered blood flow to the brain. Likewise, when circulatory disruption develops during the perinatal stage, it results in perinatal stroke. Collapse in neonatal brain blood flow can precipitate irreversible impacts on the immature brain cells.

• Neural Tube Defects: A grave inborn complication arises in the developing baby in the uterus (womb). Defects or malformations in the neural tube, especially in the inceptive stages of pregnancy. The spine, brain, and spinal cord are derived from the primitive structure called the neural tube. This form of inborn error can bring in neurological complications and impairment, threatening the baby’s life even before birth.

• Brain Malformations: This encompasses a spectrum of neurological conditions precipitated by impairments in the development and formation of brain structures. Neonatal neurology also focuses on these brain malformations. Brain malformations can result from certain maternal medications, maternal radiation exposure, and infections. However, certain brain malformations are identified to be associated with alteration in the genetic pattern.

• Hypoxic Ischemic Encephalopathy: It is precipitated by certain forms of brain injury brought in by potential impairment in the blood flow to the brain cells. It can happen in the baby either within the womb or immediately post-birth. The intensity and extent of brain impact are determined by the severity and duration of oxygen depreciation in the brain cells. It can bring numerous neurological troubles in the baby, and there comes the role of neonatal neurology in addressing the troubles and alleviating the manifestations to an extent.

• Neonatal Hydrocephalus: In this condition, the baby elicits an appreciably larger head than a normal baby. Neonatal hydrocephalus develops in response to gathering cerebrospinal fluid in the spaces enclosed within the brain, squeezing the brain cells, creating pressure effects, and eventually bringing irreversible injury to the brain cells.

• Neonatal Motor Disorders: There are reports of babies born with impaired motor neurons. The compromised functioning of motor neurons is often flagged in the form of neonatal motor disorders, where the babies exhibit trouble with muscle tone and movements. Collapsed muscle tone makes it challenging for the baby to gain muscular support. Any inborn condition that impacts neuromuscular functioning, which is essential for moving the body parts, entails the attention of neonatal neurology.

However, the role of neonatal neurology is not restricted to the conditions mentioned above. It has a wide application in pediatrics concerning detecting and alleviating various neurological issues and conditions.

Conclusion

Neonatal neurology is a specific subspecialty under the pediatric neurology department. It addresses and alleviates the neurological conditions that arise in the perinatal stages of the baby. They are responsible for carrying out the neonatal neurological evaluation and assessment that aids in figuring out any potential neurological complications or risks associated with a baby approaching delivery or newlyborn baby. A panel of neonatal neurologists often carries it out. Neonatal neurology is an emerging field that is gaining therapeutic significance in the lives of every newborn baby. Babies diagnosed with neurological issues are attended to by these specialists to ensure quality living for such babies and enhance their survival rates.